Several regulations, laws and ethics codes are necessary to know. For the purpose of studying for the PTCB or ExCPT exams, learning the basics is recommended. One factor to always keep in mind while studying for the national pharmacy tech exam is that it follows federal rules, laws and guidelines. You don't want to confuse your own state laws with federal laws, because they may be more strict than the federal laws. Besides what you see here, you'll probably want to keep in mind that H.I.P.A.A. is a federal act that you should research that mostly concerns Patient Privacy Rights.